Look up the following publication on the Internet and fill in the requested statistics in the tables for the two questions listed below.
Download this publication:
Sonja N. Oswalt, W. Brad Smith, Patrick D. Miles, and Scott A. Pugh . (2009)
Forest resources of the United States, 2012.
GTR WO-91. U.S.D.A. Forest Service, Washington, D.C.
https://www.srs.fs.usda.gov/pubs/gtr/gtr_wo091.pdf
